Download Study Guide Chp 9 File

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REV. 10/18/2013
Date:
Block:
Standard Biology Study Guide – Chapter 9
1. List three reasons cell size may trigger cell division.
A.
B.
C.
2. What is meant by the term cell cycle?
3. List & describe what generally happens in the two main steps of the cell cycle.
A.
B.
C.
4. List & describe the events that take place in each step of Interphase.
A.
B.
C.
5. During what phase does cytokinesis occur?
6. What exactly happens during cytokinesis?
7. List reasons why a cell might undergo cell division?
A.
B.
C.
D.
8. What is chromatin & how is it different from chromosomes?
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9. Describe how prokaryotic cells divide.
10. What is a check-point?
11. List & describe what happens during the 4 steps of mitosis.
A.
B.
C.
D.
12. In the spaces below, sketch & label the steps of the cell cycle …pay particular
attention to the DNA, nuclear membrane, centrioles & spindle fibers. Place a star
between the phases showing where cytokinesis took place.
13. What two chemicals activate different stages of the cell cycle?
A.
B.
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14. What is a mutation?
15. What is a carcinogen? Name one.
16. What is cancer?
17. What is a stem cell?
18. What are two differences between embryonic & adult stem cells?
A.
B.
19. Why is stem cell research so controversial?
20. What is apoptosis?
21. What does “undifferentiated” mean when it refers to stem cells?
22. What general idea is behind the controversy in the research & use of stem cells?
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23. What are 3 possible scientific uses of stem cells?
A.
B.
C.
24. List the two types of stem Cells & place an asterisk next to the type that offers
the greatest flexibility.
A.
B.
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